package com.example.SpringBootMybatis.entity;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.Table;

@Entity
@IdClass(ConnectionId.class)
@Table(name = "connection")
public class Connection {

    @Id
    private int row_id;

    @Id
    private int column_id;

    private double value;

}


